update install.sh

This commit is contained in:
Krzysztof Wicher 2016-03-10 14:26:21 -08:00
parent 58a5a73233
commit 00abaf3b67

View file

@ -4,8 +4,25 @@
# Note: This script should be compatible with the dash shell used in Ubuntu. So avoid bashisms! See https://wiki.ubuntu.com/DashAsBinSh for more info
#setup some colors to use. These need to work in fairly limited shells, like the Ubuntu Docker container where there are only 8 colors.
#See if stdout is a terminal
# Stop script on NZEC
set -e
# Stop script if unbound variable found (use ${var:-} if intentional)
set -u
# By default cmd1 | cmd2 returns exit code of cmd2 regardless of cmd1 success
# This is causing it to fail
set -o pipefail
# Use in the the functions: eval $invocation
invocation='say_verbose "Calling: ${red:-}${FUNCNAME[0]} ${green:-}$*${normal:-}"'
# standard output may be used as a return value in the functions
# we need a way to write text on the screen in the functions so that
# it won't interfere with the return value.
# Exposing stream 3 as a pipe to standard output of the script itself
exec 3>&1
# Setup some colors to use. These need to work in fairly limited shells, like the Ubuntu Docker container where there are only 8 colors.
# See if stdout is a terminal
if [ -t 1 ]; then
# see if it supports colors
ncolors=$(tput colors)
@ -23,43 +40,81 @@ if [ -t 1 ]; then
fi
fi
#Standardise OS name to what is put into filenames of the tarballs.
current_os()
{
say_err() {
printf "%b\n" "${red:-}dotnet_install: Error: $1${normal:-}" >&2
}
say() {
# using stream 3 (defined in the beginning) to not interfere with stdout of functions
# which may be used as return value
printf "%b\n" "${cyan:-}dotnet_install:${normal:-} $1" >&3
}
say_verbose() {
if [ "$verbose" = true ]; then
say "$1"
fi
}
get_current_os_name() {
eval $invocation
local uname=$(uname)
if [ "$uname" = "Darwin" ]; then
echo "osx"
return 0
else
# Detect Distro
if [ "$(cat /etc/*-release | grep -cim1 ubuntu)" -eq 1 ]; then
echo "ubuntu"
return 0
elif [ "$(cat /etc/*-release | grep -cim1 centos)" -eq 1 ]; then
echo "centos"
return 0
elif [ "$(cat /etc/*-release | grep -cim1 rhel)" -eq 1 ]; then
echo "rhel"
return 0
elif [ "$(cat /etc/*-release | grep -cim1 debian)" -eq 1 ]; then
echo "debian"
return 0
fi
fi
say_err "OS name could not be detected"
return 1
}
machine_has() {
eval $invocation
type "$1" > /dev/null 2>&1
return $?
}
#Not 100% sure at the moment that these checks are enough. We might need to take version into account or do something
#more complicated. This seemed like a good beginning though as it should catch the default "clean" machine case and give
#people an appropriate hint.
check_pre_reqs() {
local os=$(current_os)
local _failing=false;
check_min_reqs() {
if ! machine_has "curl"; then
say_err "curl is required to download dotnet. Install curl to proceed."
return 1
fi
return 0
}
if [ "$DOTNET_INSTALL_SKIP_PREREQS" = "1" ]; then
check_pre_reqs() {
eval $invocation
local failing=false;
if [ "${DOTNET_INSTALL_SKIP_PREREQS:-}" = "1" ]; then
return 0
fi
if [ "$(uname)" = "Linux" ]; then
if [ "$(uname)" = "Linux" ]; then
[ -z "$(ldconfig -p | grep libunwind)" ] && say_err "Unable to locate libunwind. Install libunwind to continue" && _failing=true
[ -z "$(ldconfig -p | grep libssl)" ] && say_err "Unable to locate libssl. Install libssl to continue" && _failing=true
[ -z "$(ldconfig -p | grep libcurl)" ] && say_err "Unable to locate libcurl. Install libcurl to continue" && _failing=true
[ -z "$(ldconfig -p | grep libicu)" ] && say_err "Unable to locate libicu. Install libicu to continue" && _failing=true
[ -z "$(ldconfig -p | grep gettext)" ] && say_err "Unable to locate gettext. Install gettext to continue" && _failing=true
if ! [ -x "$(command -v ldconfig)" ]; then
echo "ldconfig is not in PATH, trying /sbin/ldconfig."
@ -73,203 +128,468 @@ check_pre_reqs() {
[ -z "$($LDCONFIG_COMMAND -p | grep libcurl)" ] && say_err "Unable to locate libcurl. Install libcurl to continue" && _failing=true
[ -z "$($LDCONFIG_COMMAND -p | grep libicu)" ] && say_err "Unable to locate libicu. Install libicu to continue" && _failing=true
[ -z "$($LDCONFIG_COMMAND -p | grep gettext)" ] && say_err "Unable to locate gettext. Install gettext to continue" && _failing=true
fi
fi
if [ "$_failing" = true ]; then
if [ "$failing" = true ]; then
return 1
fi
}
say_err() {
printf "%b\n" "${red}dotnet_install: Error: $1${normal}" >&2
}
say() {
printf "%b\n" "dotnet_install: $1"
}
make_link() {
local target_name=$1
local src=$INSTALLDIR/cli/$target_name
local dest=$BINDIR/$target_name
say "Linking $dest -> $src"
if [ -e $dest ]; then
rm $dest
fi
ln -s $src $dest
}
make_bootstrap_link() {
local src=$INSTALLDIR/cli/bin/dotnet
local dest=$INSTALLDIR/cli/dotnet
say "Linking $dest -> $src"
if [ -e $dest ]; then
rm $dest
fi
ln -s $src $dest
}
install_dotnet()
{
if ! machine_has "curl"; then
printf "%b\n" "${red}curl is required to download dotnet. Install curl to proceed. ${normal}" >&2
return 1
fi
say "Preparing to install .NET Tools from '$CHANNEL' channel to '$INSTALLDIR'"
if [ -e "$PREFIX/share/dotnet/cli/dotnet" ] && [ ! -w "$PREFIX/share/dotnet/cli/dotnet" ]; then
say_err "dotnet cli is already installed and not writeable. Use 'curl -sSL <url> | sudo sh' to force install."
say_err "If you have previously installed the cli using a package manager or installer then that is why it is write protected, and you need to run sudo to install the new version."
say_err "Alternatively, removing the '$PREFIX/share/dotnet' directory completely before running the script will also resolve the issue."
return 1
fi
if ! check_pre_reqs; then
say_err "Ending install due to missing pre-reqs"
return 1;
fi
if [ "$VERSION" == "Latest" ]; then
local fileVersion=latest
else
local fileVersion=$VERSION
fi
local os=$(current_os)
local installLocation="$INSTALLDIR"
local dotnet_url="https://dotnetcli.blob.core.windows.net/dotnet/$CHANNEL/Binaries/$VERSION"
local dotnet_filename="dotnet-dev-$os-x64.$fileVersion.tar.gz"
if [ "$RELINK" = "0" ]; then
if [ "$FORCE" = "0" ]; then
local localVersion=$(tail -n 1 "$installLocation/cli/.version" 2>/dev/null)
if [ "$VERSION" == "Latest" ]; then
# Check if we need to bother
local remoteData="$(curl -s https://dotnetcli.blob.core.windows.net/dotnet/$CHANNEL/dnvm/latest.$os.x64.version)"
[ $? != 0 ] && say_err "Unable to determine latest version." && return 1
return 0
}
local remoteVersion=$(IFS="\n" && echo $remoteData | tail -n 1)
local remoteHash=$(IFS="\n" && echo $remoteData | head -n 1)
# args:
# input - $1
to_lowercase() {
eval $invocation
echo "$1" | tr '[:upper:]' '[:lower:]'
return 0
}
[ -z $localVersion ] && localVersion='<none>'
local localHash=$(head -n 1 "$installLocation/cli/.version" 2>/dev/null)
# args:
# input - $1
remove_trailing_backslash() {
eval $invocation
echo "${1%/}"
return 0
}
say "Latest Version: $remoteVersion"
say "Local Version: $localVersion"
# args:
# input - $1
remove_beginning_backslash() {
eval $invocation
echo "${1#/}"
return 0
}
[ "$remoteHash" = "$localHash" ] && say "${green}You already have the latest version.${normal}" && return 0
else
[ "$fileVersion" = "$localVersion" ] && say "${green}You already have the version $fileVersion.${normal}" && return 0
fi
fi
#This should noop if the directory already exists.
mkdir -p $installLocation
say "Downloading $dotnet_filename from $dotnet_url"
#Download file and check status code, error and return if we cannot download a cli tar.
local httpResult=$(curl -L -D - "$dotnet_url/$dotnet_filename" -o "$installLocation/$dotnet_filename" -# | grep "^HTTP/1.1" | head -n 1 | sed "s/HTTP.1.1 \([0-9]*\).*/\1/")
[ $httpResult -ne "302" ] && [ $httpResult -ne "200" ] && echo "${Red}HTTP Error $httpResult fetching the dotnet cli from $dotnet_url ${RCol}" && return 1
say "Extracting tarball"
#Any of these could fail for various reasons so we will check each one and end the script there if it fails.
rm -rf "$installLocation/cli_new"
mkdir "$installLocation/cli_new"
[ $? != 0 ] && say_err "failed to clean and create temporary cli directory to extract into" && return 1
tar -xzf "$installLocation/$dotnet_filename" -C "$installLocation/cli_new"
[ $? != 0 ] && say_err "failed to extract tar" && return 1
say "Moving new CLI into install location and symlinking"
rm -rf "$installLocation/cli"
[ $? != 0 ] && say_err "Failed to clean current dotnet install" && return 1
mv "$installLocation/cli_new" "$installLocation/cli"
elif [ ! -e "$installLocation/cli" ]; then
say_err "${red}cannot relink dotnet, it is not installed in $PREFIX!"
# args:
# root_path - $1
# child_path - $2
combine_paths() {
eval $invocation
# TODO: Consider making it work with any number of paths. For now:
if [ ! -z "${3:-}" ]; then
say_err "combine_paths: Function takes two parameters."
return 1
fi
local root_path=$(remove_trailing_backslash $1)
local child_path=$(remove_beginning_backslash $2)
say_verbose "combine_paths: root_path=$root_path"
say_verbose "combine_paths: child_path=$child_path"
echo "$root_path/$child_path"
return 0
}
if [ ! -z "$BINDIR" ]; then
make_link "dotnet"
fi
get_machine_architecture() {
eval $invocation
# Currently the only one supported
echo "x64"
return 0
}
if [ -e "$installLocation/$dotnet_filename" ]; then
say "Cleaning $dotnet_filename"
if ! rm "$installLocation/$dotnet_filename"; then
say_err "Failed to delete tar after extracting."
# args:
# architecture - $1
get_cli_architecture_from_architecture() {
eval $invocation
local architecture=$(to_lowercase $1)
case $architecture in
auto)
echo "$(get_cli_architecture_from_architecture $(get_machine_architecture))"
return 0
;;
amd64|x64)
echo "x64"
return 0
;;
x86)
say_err "Architecture ``x86`` currently not supported"
return 1
fi
;;
esac
say_err "Architecture not supported. If you think this is a bug, please report it at https://github.com/dotnet/cli/issues"
return 1
}
# version_info is a conceptual two line string representing commit hash and 4-part version
# format:
# Line 1: # commit_hash
# Line 2: # 4-part version
# args:
# version_text - stdin
get_version_from_version_info() {
eval $invocation
cat | tail -n 1
return 0
}
# args:
# version_text - stdin
get_commit_hash_from_version_info() {
eval $invocation
cat | head -n 1
return 0
}
# args:
# azure_feed - $1
# azure_channel - $2
# cli_architecture - $3
get_latest_version_info() {
eval $invocation
local azure_feed=$1
local azure_channel=$2
local cli_architecture=$3
local osname=$(get_current_os_name)
local version_file_url="$azure_feed/$azure_channel/dnvm/latest.$osname.version"
say_verbose "get_latest_version_info: latest url: $version_file_url"
download $version_file_url
return $?
}
# args:
# channel - $1
get_azure_channel_from_channel() {
eval $invocation
local channel=$(to_lowercase $1)
case $channel in
future|dev)
echo "dev"
return 0
;;
preview|beta)
echo "beta"
return 0
;;
production)
say_err "Production channel does not exist yet"
return 1
esac
say_err "``$1`` is an invalid channel name. Use one of the following: ``future``, ``preview``, ``production``"
return 1
}
# args:
# azure_feed - $1
# azure_channel - $2
# cli_architecture - $3
# version - $4
get_specific_version_from_version() {
eval $invocation
local azure_feed=$1
local azure_channel=$2
local cli_architecture=$3
local version=$(to_lowercase $4)
case $version in
latest)
local version_info="$(get_latest_version_info $1 $2 $3)"
say_verbose "get_specific_version_from_version: version_info=$version_info"
echo "$version_info" | get_version_from_version_info
return 0
;;
lkg)
say_err "``--version LKG`` not supported yet."
return 1
;;
*)
echo $version
return 0
;;
esac
}
# args:
# azure_feed - $1
# azure_channel - $2
# cli_architecture - $3
# specific_version - $4
construct_download_link() {
eval $invocation
local azure_feed=$1
local azure_channel=$2
local cli_architecture=$3
local specific_version=$4
local osname=$(get_current_os_name)
local download_link="$azure_feed/$azure_channel/Binaries/$specific_version/dotnet-$osname-$cli_architecture.$specific_version.tar.gz"
echo "$download_link"
return 0
}
get_user_share_path() {
eval $invocation
if [ ! -z "${DOTNET_INSTALL_DIR:-}" ]; then
echo $DOTNET_INSTALL_DIR
elif [ ! -z "${PREFIX:-}" ]; then
echo $PREFIX
else
echo "/usr/local/share/dotnet"
fi
return 0
}
# args:
# install_dir - $1
resolve_installation_path() {
eval $invocation
local install_dir=$1
if [ "$install_dir" == "<usershare>" ]; then
local user_share_path=$(get_user_share_path)
say_verbose "resolve_installation_path: share_path=$user_share_path"
echo "$user_share_path"
return 0
fi
echo "$install_dir"
return 0
}
# args:
# install_root - $1
get_installed_version_info() {
eval $invocation
local install_root=$1
local version_file=$(combine_paths "$install_root" "$local_version_file_relative_path")
say_verbose "Local version file: $version_file"
if [ ! -z "$version_file" ] | [ -r "$version_file" ]; then
local version_info="$(cat $version_file)"
echo "$version_info"
return 0
fi
say_verbose "Local version file not found."
return 0
}
# args:
# relative_or_absolute_path - $1
get_absolute_path() {
eval $invocation
local relative_or_absolute_path=$1
echo $(cd $(dirname "$1") && pwd -P)/$(basename "$1")
return 0
}
# args:
# zip_path - $1
# out_path - $2
extract_and_override_zip() {
eval $invocation
local zip_path=$1
local out_path=$2
local failed=false
tar -xzf "$zip_path" -C "$out_path" --overwrite &> /dev/null || failed=true
if [ "$failed" == true ]; then
say_err "Extraction failed"
return 1
fi
}
FORCE=0
RELINK=0
# args:
# remote_path - $1
# [out_path] - $2 - stdout if not provided
download() {
eval $invocation
local remote_path=$1
local out_path=${2:-}
local failed=false
if [ -z "$out_path" ]; then
curl --fail -s $remote_path || failed=true
else
curl --fail -s -o $out_path $remote_path || failed=true
fi
if [ "$failed" == true ]; then
say_err "Download failed"
return 1
fi
}
calculate_vars() {
eval $invocation
azure_channel=$(get_azure_channel_from_channel "$channel")
say_verbose "azure_channel=$azure_channel"
cli_architecture=$(get_cli_architecture_from_architecture "$architecture")
say_verbose "cli_architecture=$cli_architecture"
specific_version=$(get_specific_version_from_version $azure_feed $azure_channel $cli_architecture $version)
say_verbose "specific_version=$specific_version"
if [ -z "$specific_version" ]; then
say_err "Could not get version information."
return 1
fi
download_link=$(construct_download_link $azure_feed $azure_channel $cli_architecture $specific_version)
say_verbose "download_link=$download_link"
install_root=$(resolve_installation_path $install_dir)
say_verbose "install_root=$install_root"
}
install_dotnet() {
eval $invocation
local local_version_info=$(get_installed_version_info $install_root)
local local_version
local version_text
if [ -z "$local_version_info" ]; then
version_text="<No CLI installed>"
else
local_version=$(echo "$local_version_info" | get_version_from_version_info)
version_text=$local_version
fi
say_verbose "Local CLI version is: $version_text"
if [ ! -z "${local_version:-}" ] && [ "$specific_version" == "$local_version" ]; then
say "Your version of CLI is up-to-date."
return 0
fi
mkdir -p $install_root
zip_path=$(mktemp /tmp/dotnet.XXXXXX)
say_verbose "Zip path: $zip_path"
say "Downloading $download_link"
download "$download_link" $zip_path
say "Extracting zip"
extract_and_override_zip $zip_path $install_root
return 0
}
local_version_file_relative_path="/.version"
bin_folder_relative_path="/bin"
channel="preview"
version="Latest"
install_dir="<usershare>"
architecture="auto"
debug_symbols=false
dry_run=false
no_path=false
azure_feed="https://dotnetcli.blob.core.windows.net/dotnet"
verbose=false
while [ $# -ne 0 ]
do
name=$1
case $name in
-f|--force)
FORCE=1
;;
-r|--relink)
RELINK=1
;;
-c|--channel)
shift
CHANNEL=$1
channel=$1
;;
-v|--version)
shift
VERSION=$1
version="$1"
;;
-d|--destination)
-p|--prefix)
shift
DOTNET_INSTALL_DIR=$1
install_dir="$1"
;;
-?|-h|--help)
--arch|--architecture)
shift
architecture="$1"
;;
--debug-symbols)
debug_symbols=true
;;
--dry-run)
dry_run=true
;;
--no-path)
no_path=true
;;
--verbose)
verbose=true
;;
--azure-feed)
shift
azure_feed="$1"
;;
-?|--?|-h|--help)
script_name="$(basename $0)"
echo ".NET Tools Installer"
echo "Usage: $script_name [-c|--channel <CHANNEL>] [-v|--version <VERSION>] [-p|--prefix <DESTINATION>]"
echo " $script_name -h|-?|--help"
echo ""
echo "Usage:"
echo " $0 [-f|--force] [-r|--relink] [-c|--channel <CHANNEL>] [-d|--destination <DESTINATION>]"
echo " $0 -h|-?|--help"
echo "$script_name is a simple command line interface for obtaining dotnet cli."
echo ""
echo "Options:"
echo " -f,--force Force reinstallation even if you have the most recent version installed"
echo " -r,--relink Don't re-download, just recreate the links in $PREFIX/bin"
echo " -c,--channel <CHANNEL> Download from the CHANNEL specified (default: dev)"
echo " -d,--destination <PATH> Install under the specified root (see Install Location below)"
echo " -?,-h,--help Show this help message"
echo " -c,--channel <CHANNEL> Download from the CHANNEL specified (default: $channel)."
echo " -v,--version <VERSION> Use specific version, ``latest`` or ``lkg``. Defaults to ``latest``."
echo " -p,--prefix <PREFIX> Install under specified location (see Install Location below)"
echo " --arch Architecture of .NET Tools. Currently only x64 is supported."
echo " --architecture <ARCHITECTURE> Architecture of .NET Tools. Currently only x64 is supported."
echo " --debug-symbols Specifies if symbols should be included in the installation."
echo " --dry-run Do not perform installation. Display download link."
echo " --no-path Do not set PATH for the current process."
echo " --verbose Display diagnostics information."
echo " --azure-feed Azure feed location. Defaults to $azure_feed"
echo " -?,--?,-h,--help Shows this help message"
echo ""
echo "Install Location:"
echo " By default, this script installs the .NET Tools to /usr/local. However, if the PREFIX environment variable"
echo " is specified, that will be used as the installation root. If the DOTNET_INSTALL_DIR environment variable"
echo " is specified, it will be used as the installation root (overriding PREFIX). Finally, if the '--destination'"
echo " option is specified, it will override all environment variables and be used as the installation location"
echo ""
echo " After installation, the .NET Tools will be installed to the 'share/dotnet/cli' subdirectory of the "
echo " installation location (i.e. /usr/local/share/dotnet/cli). Binaries will be symlinked to the 'bin'"
echo " subdirectory of the installation location (i.e. /usr/local/bin/dotnet)"
echo " Location is chosen in following order:"
echo " - --prefix option"
echo " - Environmental variable DOTNET_INSTALL_DIR"
echo " - Environmental variable PREFIX"
echo " - /usr/local/share/dotnet"
exit 0
;;
*)
say_err "Unknown argument \`$name\`"
exit 1
;;
esac
shift
done
#set default prefix (PREFIX is a fairly standard env-var, but we also want to allow the use the specific "DOTNET_INSTALL_DIR" one)
if [ -z "$DOTNET_INSTALL_DIR" ]; then
INSTALLDIR=/usr/local/share/dotnet
BINDIR=/usr/local/bin
check_min_reqs
calculate_vars
if [ "$dry_run" == true ]; then
say "Payload URL: $download_link"
say "Repeatable invocation: .\$(basename $0) --version $specific_version --channel $channel --prefix $prefix"
else
INSTALLDIR=$DOTNET_INSTALL_DIR
BINDIR=
check_pre_reqs
install_dotnet
fi
[ -z "$CHANNEL" ] && CHANNEL="beta"
[ -z "$VERSION" ] && VERSION="Latest"
bin_path=$(get_absolute_path $(combine_paths $install_root $bin_folder_relative_path))
if [ "$no_path" == false ]; then
say "Adding to current process PATH: ``$bin_path``. Note: This change will be visible only when sourcing script."
export PATH=$PATH:$bin_path
else
say "Binaries of dotnet can be found in $bin_path"
fi
install_dotnet
say "Installation finished successfuly."